EP0116382B1 - Verfahren und Vorrichtung zum Drucken - Google Patents

Verfahren und Vorrichtung zum Drucken Download PDF

Info

Publication number
EP0116382B1
EP0116382B1 EP19840200040 EP84200040A EP0116382B1 EP 0116382 B1 EP0116382 B1 EP 0116382B1 EP 19840200040 EP19840200040 EP 19840200040 EP 84200040 A EP84200040 A EP 84200040A EP 0116382 B1 EP0116382 B1 EP 0116382B1
Authority
EP
European Patent Office
Prior art keywords
printing
printing medium
reverse side
paper
characters
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP19840200040
Other languages
English (en)
French (fr)
Other versions
EP0116382A2 (de
EP0116382A3 (en
Inventor
Yoshio Kawai
Kazue Endoh
Kiyoshi Kitagawa
Chikara Kurehakagaku Matsubara Ryo Onodera
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kureha Corp
Original Assignee
Kureha Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kureha Corp filed Critical Kureha Corp
Publication of EP0116382A2 publication Critical patent/EP0116382A2/de
Publication of EP0116382A3 publication Critical patent/EP0116382A3/en
Application granted granted Critical
Publication of EP0116382B1 publication Critical patent/EP0116382B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/18—Mechanisms for rendering the print visible to the operator

Definitions

  • This invention relates to a printing method and apparatus wherein characters can be read at the instant they are printed on printing medium.
  • an object of the present invention is to provide a printing method and a printing apparatus for practicing the method, wherein printed information can be read with ease at the same time that the information is printed on a printing medium.
  • the foregoing object is attained by providing a printing method which includes steps of contacting the front side of a printing medium with a transparent platen, which printing medium is of a type that enables characters printed on its reverse side to be read from its front side, and printing reversed characters on the reverse side of the printing medium by a printing block at a position corresponding to the transparent platen.
  • a printing apparatus comprising a feed mechanism for intermittently feeding the printing medium of the above-described type, a take-up mechanism for taking up the printing medium fed by the feed mechanism, a printing block disposed on the reverse side of the printing medium for printing a line of reversed characters across the reverse side thereof, and a transparent platen disposed on the front side of the printing medium and in surface contact therewith at a position corresponding to the line of characters printed on the reverse side of the printing medium by the printing block.
  • the sole Figure is a perspective view of a printing apparatus embodying the present invention.
  • a preferred embodiment of a printing apparatus includes a feed mechanism 1 for feeding a printing paper 2, a take-up mechanism 3 for taking up the printing paper, a transparent platen 4, and a printing block 5 accommodating a printing element.
  • the printing paper 2 having a row of equidistantly spaced feed holes 21 along both side edges thereof, has its front side brought into surface contact with the reverse side of the platen 4 between the feed mechanism 1 and take-up mechanism 3, the platen 4 serving to hold the paper in a tensioned state.
  • These mechanisms may be of a type known in the art.
  • the feed mechanism 1 comprises a roller 11 rotated by a driving motor (not shown), a shaft 12 on which the roller 11 is mounted, and a number of paper feed pins 13 provided on the roller 11 and arranged to mate with the feed holes 11 formed in the printing paper 2 for advancing the paper intermittently when the roller 11 is rotated in the feed direction.
  • the take-up mechanism 3 comprises a roller 31 rotated by a driving motor (not shown), a shaft 32 on which the roller 31 is mounted, and a number of paper feed pins 33 provided on the roller 31 and arranged to mate with the feed holes 21 formed in the printing paper 2 for pulling the paper in the direction of feed when the roller 31 is so rotated.
  • the printing paper employed in the apparatus of the present invention may be any that permits characters, which are printed thereon from the reverse side, to be read from the front side thereof.
  • the printing medium employed is a semi-transparent paper which will allow the characters to be read from the front side.
  • the printing medium is a pressure sensitive recording paper or thermosensitive paper, respectively, the front surface thereof changes color in a pattern corresponding to the character printed on the reverse side.
  • the platen 4 is transparent and tensions the printing paper 2 the front surface of which is brought into contact with the reverse side of the platen. In addition to tensioning the printing paper, the platen 4 permits information, printed on the reverse side of the printing paper 2, to be read from the front side thereof.
  • the platen 4 consists of a transparent material such as glass or transparent plastic.
  • the platen 4 may comprise a plate-shaped member having a flat or curved cross section, or may be provided with a lens-shaped configuration for the purpose of magnifying the printed information appearing on the printing paper.
  • the reverse side thereof namely the side that comes into surface contact with the front side of the printing paper 2 is preferably of a substantially flat shape so as notto impairthe printing of characters on the printing paper contacting the platen.
  • a pair of rails 51 are disposed at the back of the printing paper 2 so as to lie parallel to the platen 4.
  • the printing block 5 is adapted to travel along the rails 51 while printing characters on the portion of the printing paper 2 interposed between the printing block and the platen 4.
  • the printing block 5 may employ any of the known printing processes, such as those which rely upon an ink ribbon, ink jet, applied pressure and applied heat, the particular arrangement being selected depending upon the kind of printing paper 2 used. Since characters printed on the reverse side of the paper 2 are to be read from the front side thereof, the printing block 5 has a printing element designed to print characters which would appear reversed if viewed from the reverse side of the paper, but which appear in formal fashion on the front side of the paper.
  • the printing block 5 is driven along the rails 51 parallel to the platen 4 on its reverse side to print a line of characters on the reverse side of the printing paper 2 at the portion thereof interposed between the printing block and the platen when the paper is at rest.
  • the characters appear in readible form on the front side of the paper and can be seen through the transparent platen 4.
  • the printing block 5 and associated equipment are located on the reverse side of the printing paper, ones field of view is completely unobstructed so that the line of printing information can be read from any angle at the same time that the characters are printed. Accordingly, one need not wait for the printer to begin a new line before the line just printed can be read by being advanced into view through feeding of the printing paper. This enables one to make some necessary response to the printed information immediately since the information is capable of being read as soon as it is printed. In addition, the fact that the information is readible over a wide range of viewing angles enables the printer to be installed at a greater variety of locations so that greater use can be made of available space.

Landscapes

  • Accessory Devices And Overall Control Thereof (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Handling Of Sheets (AREA)

Claims (3)

1. Verfahren zum Drucken, umfassend die folgenden Schritte:
- das Druckpapier o. dgl. wird mit seiner Vorderseite in Flächenberührung mit einer transparenten Auflageplatte gebracht, wobei des Druckpapier so ausgebildet ist, daß auf seine Rückseite gedruckte Zeichen von der Vorderseite aus lesbar sind, und
- auf die Rückseite des Druckpapiers werden von einem Druckkopf in einer der transparenten Auflageplatte entsprechenden Position seitenverkehrte Zeichen gedruckt.
2. Vorrichtung zum Drucken, umfassend:
- Mittel für den schrittweisen Vorschub eines Druckpapiers o. dgl., das so ausgebildet ist, daß auf seine Rückseite gedruckte Zeichen von der Vorderseite aus lesbar sind,
- einen an der Rückseite des Druckpapiers angeordneten Druckkopf zum Drucken einer Zeile seitenverkehrter Zeichen auf die Rückseite des dabei stillstehenden Druckpapiers und
- eine transparente Auflageplatte, die an der Vorderseite des Druckpapiers in Flächenberührung mit dieser in einer Position angeordnet ist, die der Zeile der auf die Rückseite des Druckpapiers durch den Druckkopf gedruckten Zeichen entspricht.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die transparente Auflageplatte eine Leistenform hat.
EP19840200040 1983-01-18 1984-01-11 Verfahren und Vorrichtung zum Drucken Expired EP0116382B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6097/83 1983-01-18
JP609783A JPS59131478A (ja) 1983-01-18 1983-01-18 印字方法及び印字装置

Publications (3)

Publication Number Publication Date
EP0116382A2 EP0116382A2 (de) 1984-08-22
EP0116382A3 EP0116382A3 (en) 1985-05-22
EP0116382B1 true EP0116382B1 (de) 1987-09-09

Family

ID=11629002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840200040 Expired EP0116382B1 (de) 1983-01-18 1984-01-11 Verfahren und Vorrichtung zum Drucken

Country Status (3)

Country Link
EP (1) EP0116382B1 (de)
JP (1) JPS59131478A (de)
DE (1) DE3465935D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61162376A (ja) * 1985-01-11 1986-07-23 Nissei Denki Kk 表示体付プリンタヘツド
ES2023140B3 (es) * 1986-06-06 1992-01-01 Jos Hunkeler Ag Fabrik Fur Graphische Maschinen Formulario para cartas y procedimiento para confeccionar un formulario para cartas.
US4793724A (en) * 1986-08-18 1988-12-27 Battles George C Printing support and method for placing labels on a transparent record medium
US5009530A (en) * 1987-10-31 1991-04-23 Brother Kogyo Kabushiki Kaisha Apparatus for reverse recording image and covering by protective medium
US4976558A (en) * 1987-11-19 1990-12-11 Brother Kogyo Kabushiki Kaisha Device for feeding recording medium in the longitudinal recording direction
US5193926A (en) * 1987-12-21 1993-03-16 Brother Kogyo Kabushiki Kaisha Apparatus for recording image covered by protective medium

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3545373A (en) * 1968-04-10 1970-12-08 Itt Printing transfer and display arrangement

Also Published As

Publication number Publication date
EP0116382A2 (de) 1984-08-22
EP0116382A3 (en) 1985-05-22
JPS59131478A (ja) 1984-07-28
DE3465935D1 (en) 1987-10-15

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